Features of portable x ray machine prices&colon;1&period; Using ergonomic design&comma; the structure is of compact appearance&comma; convenient operation&period;2&period; It adopts high pressure-resistant electrical tube with enough kV and mA&comma; so the definition and contrast of the machine are good&period;3&period; With combined X-ray generator&comma; the tube and rocker can move up and down freely&period; So the patient can take photography in a wider range of direction&period;4&period; Because of symmetrical adjustable beam limiting device with light source&comma; the x-ray beam can be adjusted according to demands&period;5&period; X-ray generator is matched with protective stereotype inside&comma; and 10 meters wireless remote control exposure is adopted&comma; so it causes less hurt to the operators and environment&period;6&period; The current has three gears &lpar;15mA&comma; 30mA&comma; 50mA&rpar;&comma; different current can be selected according to different photography requirements&comma; thus using range of machine is wider&period;7&period; Anti-electric shock&comma; anti scattering and full-wave rectifier8&period; The electric performance is stable and reliable&period; Multi-protections are adopted to prevent over-voltage&comma; over-current and output overload etc&period;&comma; so it's safer&period;9&period; Telescopic vertical rotating angle is larger than 60°&period;Usage of Portable X ray machine&colon;The machine is mobile X-ray radiography medical diagnostic equipment&period; It can be used in wards&comma; operation rooms and emergency rooms etc&period;&comma; and it can satisfy the radiography requirements of human body such as head&comma; chest and limbs&period;